Apparatus for purifying and moistening air



Nbv. 13, 1928.,

A. SCHUCKHER APPARATUS FOR PURIFYING AND MOISTENING AIR Filed Feb. 15. 1924 into the surrounding air in the form of fine as; its

UNITED STATES 1,691,827 Ar r oFElcE.

1 ALBERT scnfidxmm, or vmmva, AUSTRIA.

. I APPARATUS FOR PU'BIFYIN'G AND HOISTEHHQ'G All.

Application filed February 15, 1924, Serial lI'o 698,38, and in Austria February 19, 1928.

'In closed rooms air is frequently cooled by evaporating water either in evaporating vessels made of some suitable porous mate- 7 rial or by means of mechanical spraying devices. Evaporating vessels are objectionable for a. variety of reasons and more particularly because their effect is always comparatively -small and cannot be controlled to suit given conditions. In case of spraying or atomizing 10 devices which discharge water into the-room cmg the mist is combined with a fan a driven to be cooled in the form of fine drops, the drops are still so great that they do not completely evaporate while flying through the. 'air andthereby the effect of such devices is reduced atnd'besides water accumulates in the neighbourhood of such devices.

The object of my invention is to provide a device which is much more eflicient than the apparatus for spaces as above re ferred to and-which obviate the drawbacks of the apparatus heretofore used. With these objects 1n view'my improved apparatus consists in that I use a revolving container or vessel for the liquid and that the liquid escapes from this vessel through porous bodies being forced through the pores by centrifugal force drops or of a mist.

In the annexed drawing I haveshowrrby way of example two embodiments of my improved device. Fig. 1 is a diagrammatical vertical section of one embodiment, Fig. 2 is a similarview of another embodill ment. v

3 is a fragmentary vertical sectional y 'F I detail through the upper portion of the pipe and the .cap'aview ing taken at right anv gles to the view shown in 2. 40 Inthe drawing'Fig. 1 b isashaft drivenby any suitable motor, preferably an. .electric motor not shown; a is adru'm mounted on this shaft, the covers of this drum consist of metal or other substance impervious to water while periphery f consists of some suita le porous. material. The porosity 0% this material is preferably so selected the water contained in drum 0 cannot under the sole action of gravity penetrate to any considerable extentthrough the periphery f, but that it is forced throughthe perip ery by centrifugal force when the drum is revolved at a. suitable speed. .The water forced out through the pores of the periphery is in the form of exceedingly minute drops min the 55 form of a mist WlllCh' remains suspended in the air untilcompletely evaporated:- v The cylindrical periphery f may be made of any suitable filteringfmaterial preferably felt or the like. 00

Preferably the drum 0 serving for producfrom the same source of power as the drum, say by mounting it on the shaft'b as shown inthedrawing. In order to supply liquid to the drum dur ing the operation of the device the shaft 6 is hollow and may be" connected either to a receptacle not shown located at a higher level or to a. water'main- I In the preferred. embodiment of my invention shown in Fig. 2, the device is in the form of .a portable table'fan, having a hollow base 9 serving as water receptacle from which water is supplied to the drum 0 located at a higher level by any suitable means. As shown in Fig. 2 I provide for'this purpose a vertical pipe h through the upper end of which pax es v the hollow shaft -6 such upper end bein closed by a cap '5. On'the shaft 6 is mount within the pipe It a small pulley j and an endless band It passes round this pulley and another pulley m mounted in the receptacle g. Whenthe shaft 6 revolves the band In which may be made of rubber, coiled wire or other suitable material, is moved by the pulley jand takes with itliome liquligllnfrfim i238 recgtapclg go'wingtoa esion. 's 'qui isw p off or thrownofi by centrifugal force within the cap 2' then flows through the small inclined l pipe n into the hollow shaft 6 from which it escapes into the revolving drum 0, through holesrinthepipeb. In order that the liquid which is thrown into the cap will pass into the pipe n the upper'end of the pipe 7:. preferably extended slightly above t e bottom of.-the cap as shown at h in Fig. 3. extension prevents the water from returning through the pipe 7;.

An opening 0 serves for replenishing and a smallopening p provided with a suitable removable plug -not shown serves for emptyof such drops, the air is efiiciently moistened and cooled, y

ing the receptacle g; g is a frame enclosing the drum 0, and mounted on the base 9.

When the pores of the material from which the periphery of the drum is made are sufii ciently small, water passes into the surround ingairto be cooled only when the fan is in operation. Thereby an imperfect evapora tion and an accumulation of water not evaporated is 'avoidedwith certainty.

Only minute drops of liquid can be thrown through the periphery of the drum into the air, but owing to the extremely largenumber 'WhatIc'IaimiS: 1. In a device for piu'ifying and moistening air, a base adapted to contain a supply of a liquid, 'a hollow shaft rotatably mounted above the base, a fan mounted on said shaft, a

drum secured to said shaft and arrangedin connection therewith and adapted to receive liquid therefrom and having the outer periphery constructed of orous material so that liquid maybe forced t erethrough owing to centrifugal action, a tubular support arranged vertically in the baseand in connection-therewith andv serving'as a support for the shaft, a/liquid receiving member at the top of the tubular part, means for conducting liquid from the base through the support ooms? to. the receiving member, and means for con ducting liquid from the receiving member to the shaft.

2. In a devicefor purityingand moisten ing air, a base adapted to contain a supply of liquid, a hollow shaft rotatably mounted above the base, a fan mounted on said shaft, a

drum secured to said shaft and arranged in communication therewith and adapted .to re ceive a liquid-therefrom and having the outer periphery constructed entirely of porous rn'aterial whereby during rotation oi the shaft due to centrifugal actionthe liquid will be 1 forced through the porous material in and tneans for conductform of a fine spray base to the tubular shalt ing liquid fromthe including a tubular support arran ed vertiv cally in the base-in communication therewith and serving as a support for the shaft, pulley I wheels mounted respectively on the shaft and in the base, the pulley Wheel on theshaft being confined by the tubular support, a belt oper- ALBERT SCHUCKHER,

In testimony whereof efix my signature;v 

